Just as quickly as Batman: Arkham Origins was announced, it's been discounted. By "discounted," I mean $10 in Amazon credit for pre-ordering on any platform, which is basically the same thing. If you don't like Batman, we've got more Batman for you anyway, with deals on Injustice: Gods Among Us for both platforms. Hit the jump for Batman, deals on Far Cry 3: Blood Dragon, and tons more.

I use an 11-inch Macbook Air and Boom is the most useful app I've ever installed on it. Basically it exponentially increases the volume your computer will allow.• Boom [Mac] ($4) | 9to5Toys | Normally $7

If you like Peanut Butter and you like being healthy, check out Bell Plantation PB2 Powdered Peanut Butter. Add water to turn it from "peanut flour" to peanut butter, or put the powder directly in a smoothie. Lower calorie and fat content than standard PB.• PB2 [16oz] ($7.49) | Amazon via SlickDeals

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